Grand Poobah is a term derived from the name of the haughty character Pooh-Bah in Gilbert and Sullivan

Gilbert and Sullivan

Gilbert and Sullivan refers to the Victorian-era theatrical partnership of the librettist W. S. Gilbert and the composer Arthur Sullivan . The two men collaborated on fourteen comic operas between 1871 and 1896, of which H.M.S...

's The Mikado

The Mikado

The Mikado; or, The Town of Titipu is a comic opera in two acts, with music by Arthur Sullivan and libretto by W. S. Gilbert, their ninth of fourteen operatic collaborations...

(1885). In this comic opera

Comic opera

Comic opera denotes a sung dramatic work of a light or comic nature, usually with a happy ending.Forms of comic opera first developed in late 17th-century Italy. By the 1730s, a new operatic genre, opera buffa, emerged as an alternative to opera seria...

, Pooh-Bah holds numerous exalted offices, including "First Lord of the Treasury, Lord Chief Justice, Commander-in-Chief, Lord High Admiral... Archbishop of Titipu, and Lord Mayor" and Lord High Everything Else. The name has come to be used as a mocking title for someone self-important or high-ranking and who either exhibits an inflated self-regard or who has limited authority while taking impressive titles.

The term "Grand Poobah" was used on the television show The Flintstones

The Flintstones

The Flintstones is an animated, prime-time American television sitcom that screened from September 30, 1960 to April 1, 1966, on ABC. Produced by Hanna-Barbera Productions, The Flintstones was about a working class Stone Age man's life with his family and his next-door neighbor and best friend. It...

as the name of a high ranking elected position in a men's club. Fred Flintstone

Fred Flintstone

Frederick Joseph “Fred” Flintstone, also known as Fred W. Flintstone or Frederick J. Flintstone, is the protagonist of the animated sitcom The Flintstones, which aired during prime-time on ABC during the original series' run from 1960-66. He is the husband of Wilma Flintstone and father of Pebbles...

 and his friend Barney Rubble

Barney Rubble

Bernard "Barney" Rubble is the deuteragonist of the television animated series The Flintstones. He is the diminutive blonde-haired caveman husband of Betty Rubble and father of Bamm-Bamm Rubble...

 were members of the Loyal Order of Water Buffaloes Lodge No. 26. The lodge is a spoof of men's clubs like the Freemasons

Freemasonry

Freemasonry is a fraternal organisation that arose from obscure origins in the late 16th to early 17th century. Freemasonry now exists in various forms all over the world, with a membership estimated at around six million, including approximately 150,000 under the jurisdictions of the Grand Lodge...

, the Shriners, the Elks Club

Benevolent and Protective Order of Elks

The Benevolent and Protective Order of Elks is an American fraternal order and social club founded in 1868...

 and the Moose Lodge

Moose International

Moose International is a fraternal and service organization founded in 1888, consisting of the Loyal Order of Moose, with nearly 1 million men in roughly 2,400 Lodges, in all 50 U.S. states and four Canadian provinces, plus Great Britain and Bermuda; and the Women of the Moose with more than...

. The character Howard Cunningham on the TV series Happy Days

Happy Days

Happy Days is an American television sitcom that originally aired from January 15, 1974, to September 24, 1984, on ABC. Created by Garry Marshall, the series presents an idealized vision of life in mid-1950s to mid-1960s America....

was a Grand Poobah of Leopard Lodge No. 462 in Milwaukee. In the comic strip Pearls Before Swine

Pearls Before Swine (comic strip)

Pearls Before Swine is an American comic strip written and illustrated by Stephan Pastis, who was formerly a lawyer in San Francisco, California. It chronicles the daily lives of four anthropomorphic animals, Pig, Rat, Zebra, and Goat, as well as a number of supporting characters...

, the character rat deems himself Grand Poobah of the Benevolent Society of Angry Misanthropes.